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3 years ago

Use the following data to calculate the cost of merchandise sold:

Mathematics

2 answers:

konstantin123 [22]3 years ago

6 0

Beg Inv + Purchases - Discounts - COGS = End Inv,
or 5,000 + 21,800 - 790 - 5,100 = COGS of 20,910

Makovka662 [10]3 years ago

6 0

Answer:

Cost of merchandise sold is $20,910

Step-by-step explanation:

To get the cost of merchandising we use the following data:

Beginning inventory: $5,000

Purchase: $21,800

Purchase discounts: $790

Ending inventory: $5,100

Sales are not included when we calculate the cost.

Cost =Beginning inventory+Purchase-discounts-Ending inventory=

Cost=$5,000 +$21,800 -$790-$5,100=$20,910

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What is the standard deviation of a random variable q with the following probability distribution? (Do not round intermediate ca

stiks02 [169]

Answer:

The standard deviation of given probability distribution is 0.8292

Step-by-step explanation:

We are given the following in the question:

q: 0 1 2

Probability: 0.25 0.25 0.50

Formula:

$E(q) = \displaystyle\sum q_ip(q_i)\\=0(0.25) + 1(0.25) + 2(0.50) = 1.25$

$E(q^2)= \displaystyle\sum q_i^2p(q_i)\\=0^2(0.25) + 1^2(0.25) + 2^2(0.50) = 2.25$

Variance =

$\sigma^2 = E(q^2) = (E(q))^2\\= 2.25- (1.25)^2\\=0.6875\\\sigma = \sqrt{0.6875} = 0.8292$

Thus, the standard deviation of given probability distribution is 0.8292

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4 years ago

Solve for variable its in pre algebra

Natalka [10]

Answer:

Step-by-step explanation:

7 0

3 years ago

Serena Williams opened a savings account to deposit all her tennis winnings. She initially deposited $8000. After a year of mont

Radda [10]

Answer:

Step-by-step explanation:

Deposited amount 8000$

One year - 12 months

divide 8000 by 12

666.666666667

so one month

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5 0

3 years ago

A pilot knows she descended 1,000 feet and traveled a diagonal distance of 18,000 feet.

Arada [10]

The horizontal distance covered by pilot is 17,972.2 feet.

Step-by-step explanation:

Given,

Distance covered descending = 1000 feet

Diagonal distance = 18,000 feet

The horizontal distance will form a right triangle, therefore, we can find the horizontal distance by using pythagoras theorem.

Here,

a = 1000

b = horizontal distance

c = 18000

$a^2+b^2=c^2\\(1000)^2+b^2=(18000)^2\\1000000+b^2=324000000\\b^2 = 324000000-1000000\\b^2=323000000$

Taking square root on both sides

$\sqrt{b^2}=\sqrt{323000000}\\b=17972.2$

The horizontal distance covered by pilot is 17,972.2 feet.

Keywords: pyathoras theorem, square root

Learn more about square root at:

#LearnwithBrainly

3 0

3 years ago

Given a+b+c=7 and a^2+b^2+c^2=25 Find (a+b) ^2+(a+c) ^2+(b+c) ^2

marissa [1.9K]

Answer:

26.

Step-by-step explanation:

(a + b)^2 + (a+ c)^2 + (b + c)^2 = a^2 + b^2 - 2 ab + a^2 + c^2 - 2ac + b^2 + c^2 - 2bc

= 2( a^2 + b^2 + c^2 ) - 2( ab + ac + bc)

= 50 - 2(ab + ac + bc).............. (1).

(a + b + c)^2 = a^2 + ab + ac + ab + b^2 + bc + ac + bc + c^2

= a^2 + b^2 + c^2 + 2(ab + ac + bc)

= 25 + 2(ab + ac + bc)

But (a + b + c)^2 = 7^2 = 49. So:-

49 = 25 + 2(ab + ac + bc)

2(ab + ac + bc) = 49 - 25 = 24.

Substituting for this in (1) above:

(a + b)^2 + (a + c)^2 + (b + c)^2 = 50 - 24 = 26 (answer).

8 0

3 years ago